Stable mixture of producing hydrogen peroxid.



1 a sra'rns arr are.

REINHOLD GRfi'TER AND HEINRICH POHL, F CHARLOTTENBURG, GERMANY, AS-

SIGNORS To CHEMISCHE WERKE VORM. DR. HEINRICH BYK, OF CHARLOTTENBURG,GERMANY, A CORPORATION OF GERMANY.

STABLE MIXTURE FOR PRODUCING HYDROGEN rnaoxxn.

No Drawing. Original application Specification of Letters Patent,

Patented Nov. a, fare.

To all whom it may concem:

Be it known that we, REINHOLD Gnirrnn and HEINRICH PoHL, citizens of theGerman Empire, residing at Charlottenburg, 1n

5 said Empire of Germany, have invented certain new and usefulImprovements in Stable Mixtures of Perborates for Producing HydrogenPeroxid, of which the following is a specification.

Serial No. 493,918, filed May 4, 1909,. we have described that comletely or partially dehydrated perborates orm together wit solid acidsubstances stable mixtures which yield hydrogen peroxid on coming intocontact with water. We have further found that when such substances aremixed with sugars, products are obtained which are of great value.While, for instance, mixtures of completely or partially dehydratedperborates and acid substances should for daily use be brought only insolution into contact with the mucous membrane of the cavity of themouth, mixtures to which sugars have been added may be takenundissolved. They are applied in powder form, and particularly in theform of tablets which may be produced of such mixtures. The newprodmonth, hydrogen peroxid in stat/u nascemit' as the most effectivesubstance. To the formation of this substance the disinfecting,protecting and bleaching effect is due,

In a prior application foriLetters Patent,

ucts yield, as soon as they dissolve in the which has been determinedfor these products. Perfumes or flavoring substances may also be added.

Example: 100 parts by weight of finely ground sodium perboratecontaining 1 molecule of water of crystallization, are mixed with 64:parts by weight of finely ground dehydrated citric acid and 1000 partsby weight of a dry sugar. The owder obtained-may be compressed into tabets.

What we claim'is:

1.'The herein described new solid stable mixtures of perboratescontaining a less filed May 4, 1909, Serial No. 493,918. Divided andthis application filed July 14, 1910. Serial No. 572,004.

quantity of water of crystallization than completely hydratedperborates, solid acid substances and sugar, yielding hydrogen peroxidwith-water.

2. The herein described new solid stable mixture of finely groundperborates containing a lesser quantity of water of crystallization thanthe completely hydrated perborates, finely ground solid acld substancesand sugar, said mixture yielding hydrogen peroxid with Water.

' In testimony, that We claim the foregoing as our invention, we havesigned our names in presence of two subscribing witnesses.

REINHOLD GRI ITER. HEINRICH POHL.

Witnesses HENRY HASPER, WOLDEMAR I-IAUr'r.

